To provide further context, below are a selection of organizations and other archives which will help with further research.
The Smithsonian Institution Archives for American Art Archives in Washington D.C. holds a selection of materials related to Surrealism and artists within the movement, viewable here. Collection highlights include the Kay Sage papers, Gertrude Abercrombie papers, and the 1998 records for Dada and Surrealism in America: A Symposium in honor of Man Ray, and more.
The Getty Research Institute Surrealism in Latin America research guide addresses significant challenges researchers face when working on the history of surrealism in Latin America, namely that primary documents are often difficult to access and secondary sources exist in several languages. It further underscored the need for scholarship on surrealism’s relationship to pre-Columbian art and its continuing legacy in the work of postwar Latin American artists.
The Kandinsky Library at the Centre Pompidou in Paris holds more than 250 collections, many of which feature artists, groups, galleries, institutions, relating to the Surrealist movement. The Kandinsky Library holdings can be viewed here.